Alert archive / Georgia / Flash Flood Warnings in 2021

Flash Flood Warning 6, NWS Atlanta, GA

March 26, 2021Dawson County, Lumpkin County, White County, Georgia

NWS Atlanta, GA issued this flash flood warning at Mar 26, 2021, 1:06 AM EDT for Dawson County, Lumpkin County, White County, Georgia. It was in force for 5 hr. 18 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Mar 26, 2021, 1:06 AM EDT (05:06 UTC)
Expired
Mar 26, 2021, 5:44 AM EDT
In force
5 hr
Issued by
NWS Atlanta, GA
Area
Storm-based polygon
Flood severity
None

Counties Dawson County, GA, Lumpkin County, GA, White County, GA

The radar

The Atlanta radar (KFFC), 157 km from the middle of the area, began a volume at 05:08 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

What was reported inside it

TimeReportWhereRemark
Mar 26, 1:10 AM EDTFLASH FLOOD1 E Sautee, GALYNCH MOUNTAIN ROAD HAS BEEN WASHED OUT.
Mar 26, 1:10 AM EDTFLASH FLOOD1 Nne Camp Coleman Lake, GAGORDON ROAD WASHED OUT AND CULVERTS ARE BLOCKED.
Mar 26, 1:10 AM EDTFLASH FLOOD1 Nne Camp Coleman Lake, GAROCKY CREEK ROAD HAS WASHED OUT AND THE CULVERTS ARE BLOCKED.
Mar 26, 1:10 AM EDTFLASH FLOOD1 Nnw Camp Coleman Lake, GAROBERT JARRARD ROAD HAS WASHED OUT AND THE CULVERTS ARE BLOCKED.
Mar 26, 1:10 AM EDTFLASH FLOOD2 Sse Camp Coleman Lake, GAPORTION OF THE ROAD WASHED OUT ALONG PARADISE VALLEY ROAD AT PARADISE VALLEY CAMP GROUND.
Mar 26, 1:10 AM EDTFLASH FLOOD2 Sw Qualatchee Lake, GAEDGE OF TOLLHURST ROAD HAS WASHED OUT.
Mar 26, 1:10 AM EDTFLASH FLOOD2 W Cleveland, GAPORTION OF THE ROAD WASHED OUT AT TENATEE GAP VALLEY ROAD AND AMANDA LANE.
Mar 26, 1:10 AM EDTFLASH FLOOD3 Ese Anna Ruby Falls, GAGULLIES WASHED OUT ONTO BETHEL ROAD.
Mar 26, 1:20 AM EDTFLASH FLOOD1 Ene Dahlonega, GAALL LANES OF SR-19 SOUTHBOUND REPORTED CLOSED DUE TO FLOODING.
Mar 26, 1:40 AM EDTFLASH FLOOD2 S Qualatchee Lake, GAMUDSLIDE IN THE 17000 BLOCK OF HIGHWAY 75N.
Mar 26, 1:48 AM EDTFLASH FLOODSautee, GAFLOODING AT THE INTERSECTION OF LYNCH MOUNTAIN ROAD AND HIGHWAY 255.
Mar 26, 1:52 AM EDTFLASH FLOOD3 Ese Qualatchee Lake, GAFLOODING AT THE INTERSECTION OF FRANK BLACK ROAD AND NIGHT HAWK DRIVE.
Mar 26, 2:22 AM EDTFLASH FLOODHelen, GATHE INTERSECTION OF EDELWEISS STRASSE AND MALOOF STREET IS FLOODED.
Mar 26, 2:41 AM EDTFLASH FLOOD4 S Camp Coleman Lake, GATHE INTERSECTION OF TOWN CREEK CHURCH ROAD AND TOWN CREEK ROAD IS FLOODED.
Mar 26, 3:13 AM EDTFLASH FLOOD4 S Camp Coleman Lake, GAFLOODING AT THE INTERSECTION OF TOWN CREEK ROAD AND GLADE BRANCH ROAD.
Mar 26, 3:48 AM EDTFLASH FLOOD3 Sse Camp Coleman Lake, GAFLOODING ALONG MILL CREEK TRAIL.
Mar 26, 5:18 AM EDTFLASH FLOOD1 Ese Helen, GAFLOODING AT BRUCKEN STRASSE AND EDELWEISS STRASSE
Mar 26, 5:39 AM EDTFLASH FLOOD1 Ese Helen, GAFLOODING ALONG BETWEEN THE 600-700 BLOCK OF BRRUCKEN STRASSE.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 00:00Z, 5.1 hours before the alert went out and 154 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Peachtre/Fal Fld, GA at 00:00Z on 2021-03-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 344 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Peachtre/Fal Fld, GA at 00:00Z on 2021-03-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 328 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
344 J/kg
Mixed-layer CIN
-14 J/kg
Mixed-layer LCL
1291 m above ground
0-6 km bulk shear
76 kt
0-1 km storm-relative helicity
328 m²/s²
0-3 km storm-relative helicity
476 m²/s²
Significant tornado parameter
0.6
Supercell composite
6.8

Open this sounding in Storm Lab

The text

As transmitted.

493 
WGUS52 KFFC 260506
FFWFFC
GAC085-187-311-261115-
/O.NEW.KFFC.FF.W.0006.210326T0506Z-210326T1115Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Peachtree City GA
106 AM EDT Fri Mar 26 2021

The National Weather Service in Peachtree City has issued a

* Flash Flood Warning for...
  North Central Dawson County in north central Georgia...
  Lumpkin County in north central Georgia...
  White County in northeastern Georgia...

* Until 715 AM EDT Friday.

* At 106 AM EDT, Doppler radar indicated thunderstorms producing 
  heavy rain across the warned area. Flash flooding is ongoing or 
  expected to begin shortly.

  HAZARD...Flash flooding caused by thunderstorms.

  SOURCE...Doppler radar.

  IMPACT...Flooding of small creeks and streams, urban areas,
           highways, streets and underpasses as well as other
           drainage and low lying areas.

* Some locations that will experience flash flooding include...
  Dahlonega, Cleveland, Helen, Unicoi State Park, Turners Corner, 
  Porter Springs, Camp Coleman Lake, Whitley Gap Shelter, Qualatchee 
  Lake, Smithgall Woods Conservation Are, Low Gap Shelter, 
  Robertstown, Camp Merrill, Anna Ruby Falls, Sautee and Nimblewill.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood 
deaths occur in vehicles.

&&

LAT...LON 3453 8420 3461 8420 3460 8419 3465 8414
      3465 8407 3464 8404 3467 8402 3468 8399
      3471 8398 3474 8395 3472 8384 3474 8383
      3478 8383 3479 8374 3479 8370 3479 8368
      3476 8363 3472 8362 3465 8366 3447 8411

FLASH FLOOD...RADAR INDICATED

$$
1 follow-up statement
469 
WGUS72 KFFC 260944
FFSFFC

Flash Flood Statement
National Weather Service Peachtree City GA
544 AM EDT Fri Mar 26 2021

GAC085-187-311-260954-
/O.CAN.KFFC.FF.W.0006.000000T0000Z-210326T1115Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Dawson GA-Lumpkin GA-White GA-
544 AM EDT Fri Mar 26 2021

...FLASH FLOOD WARNING IS CANCELLED FOR NORTH CENTRAL DAWSON, 
LUMPKIN AND WHITE COUNTIES...

The heavy rain has ended. Flooding is no longer expected to pose a 
threat. Please continue to heed remaining road closures.

LAT...LON 3453 8420 3461 8420 3460 8419 3465 8414
      3465 8407 3464 8404 3467 8402 3468 8399
      3471 8398 3474 8395 3472 8384 3474 8383
      3478 8383 3479 8374 3479 8370 3479 8368
      3476 8363 3472 8362 3465 8366 3447 8411

$$

TV

The office that day

Everything else NWS Atlanta, GA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Mar 25, 8:32 PM EDTSpecial Weather StatementFFCPaulding, Polk28 min
Mar 25, 8:40 PM EDTRiver Flood WarningFFCGilmer9 hr
Mar 25, 8:49 PM EDTSevere Thunderstorm WarningFFCBartow, Cherokee, Cobb, Haralson, Paulding, Polk41 min
Mar 25, 8:53 PM EDTRiver Flood WarningFFCGilmer9 hr
Mar 25, 9:05 PM EDTFlash Flood WarningFFCBartow, Cherokee, Dawson, Gilmer, Gordon, Pickens6 hr
Mar 25, 9:11 PM EDTRiver Flood WarningFFCGilmer, Pickens8 hr
Mar 25, 9:18 PM EDTRiver Flood WarningFFCFloyd6 hr
Mar 25, 9:25 PM EDTSevere Thunderstorm WarningFFCBartow, Cherokee, Forsyth, Fulton38 min
Mar 25, 9:42 PM EDTRiver Flood WarningFFCGordon, Murray, Whitfield4 days
Mar 25, 9:42 PM EDTRiver Flood WarningFFCFloyd, Gordon5 days
Mar 25, 9:42 PM EDTRiver Flood WarningFFCFloyd59 hr
Mar 25, 9:48 PM EDTSpecial Weather StatementFFCBanks27 min
Mar 25, 9:54 PM EDTRiver Flood WarningFFCMurray16 hr
Mar 25, 9:59 PM EDTRiver Flood WarningFFCTowns7 hr
Mar 25, 10:02 PM EDTSpecial Weather StatementFFCForsyth, Hall28 min
Mar 25, 10:03 PM EDTRiver Flood WarningFFCGordon10 days
Mar 25, 10:15 PM EDTRiver Flood WarningFFCGilmer3 hr
Mar 25, 10:28 PM EDTSpecial Weather StatementFFCBanks32 min
Mar 25, 10:34 PM EDTRiver Flood WarningFFCUnion21 days
Mar 25, 10:36 PM EDTSevere Thunderstorm WarningFFCCatoosa, Chattooga, Walker, Whitfield24 min
Mar 25, 10:38 PM EDTRiver Flood WarningFFCUnion9 hr
Mar 25, 11:13 PM EDTTornado Warning Tornado observedFFCHeard47 min
Mar 25, 11:28 PM EDTRiver Flood WarningFFCForsyth, Fulton34 hr
Mar 25, 11:36 PM EDTRiver Flood WarningFFCFloyd9 days
Mar 25, 11:40 PM EDTSpecial Weather StatementFFCBartow35 min
Mar 25, 11:43 PM EDTTornado Warning EmergencyFFCCoweta, Heard32 min
Mar 25, 11:44 PM EDTSpecial Weather StatementFFCMurray16 min
Mar 25, 11:50 PM EDTSevere Thunderstorm WarningFFCBartow, Cherokee25 min
Mar 26, 12:10 AM EDTTornado Warning EmergencyTornado observedCatastrophic damage threatFFCClayton, Coweta, Fayette, Fulton35 min
Mar 26, 12:14 AM EDTTornado Warning EmergencyTornado observedCatastrophic damage threatFFCCoweta9 min
Mar 26, 12:29 AM EDTSpecial Weather StatementFFCPickens31 min
Mar 26, 12:57 AM EDTRiver Flood WarningFFCTowns21 days
Mar 26, 1:04 AM EDTSpecial Weather StatementFFCWalton26 min
Mar 26, 1:14 AM EDTRiver Flood WarningFFCMurray, Whitfield39 hr
Mar 26, 1:25 AM EDTRiver Flood WarningFFCFloyd32 hr
Mar 26, 1:45 AM EDTSpecial Weather StatementFFCCarroll30 min
Mar 26, 2:01 AM EDTSpecial Weather StatementFFCBarrow29 min
Mar 26, 2:07 AM EDTRiver Flood WarningFFCForsyth8 hr
Mar 26, 2:17 AM EDTRiver Flood WarningFFCBartow7 hr
Mar 26, 2:23 AM EDTSpecial Weather StatementFFCDeKalb, Fulton37 min
Mar 26, 2:26 AM EDTSpecial Weather StatementFFCJackson, Madison34 min
Mar 26, 2:38 AM EDTSevere Thunderstorm WarningFFCDeKalb, Fulton, Gwinnett37 min
Mar 26, 2:58 AM EDTSpecial Weather StatementFFCWalton32 min
Mar 26, 3:09 AM EDTRiver Flood WarningFFCWhite2 hr
Mar 26, 4:06 AM EDTSpecial Weather StatementFFCMadison9 min
Mar 26, 4:33 AM EDTRiver Flood WarningFFCCatoosa15 hr
Mar 26, 5:17 AM EDTRiver Flood WarningFFCGilmer, Pickens21 days
Mar 26, 5:42 AM EDTRiver Flood WarningFFCGilmer3 hr
Mar 26, 5:58 AM EDTSpecial Weather StatementFFCSpalding32 min
Mar 26, 6:07 AM EDTSpecial Weather StatementFFCWilkes8 min
Mar 26, 6:41 AM EDTSpecial Weather StatementFFCButts, Jasper34 min
Mar 26, 7:38 AM EDTSpecial Weather StatementFFCJasper, Putnam, Taliaferro37 min
Mar 26, 8:07 AM EDTRiver Flood WarningFFCCherokee25 hr
Mar 26, 8:16 AM EDTRiver Flood WarningFFCGordon19 hr
Mar 26, 8:36 AM EDTRiver Flood WarningFFCFloyd5 hr
Mar 26, 10:21 AM EDTSpecial Weather StatementFFCGlascock, Washington39 min
Mar 26, 10:24 AM EDTRiver Flood WarningFFCFloyd23 hr
Mar 26, 10:27 AM EDTRiver Flood WarningFFCGordon37 hr
Mar 26, 10:45 AM EDTRiver Flood WarningFFCDawson, Forsyth13 hr
Mar 26, 11:05 AM EDTSpecial Weather StatementFFCGlascock, Jefferson40 min
Mar 26, 11:09 AM EDTSpecial Weather StatementFFCChattahoochee, Crawford, Marion, Talbot, Taylor51 min
Mar 26, 11:18 AM EDTRiver Flood WarningFFCCherokee16 hr
Mar 26, 11:23 AM EDTRiver Flood WarningFFCGordon44 hr
Mar 26, 11:23 AM EDTRiver Flood WarningFFCDawson10 hr
Mar 26, 11:48 AM EDTRiver Flood WarningFFCDawson9 hr
Mar 26, 11:53 AM EDTSpecial Weather StatementFFCBibb, Crawford, Macon, Marion, Peach, Taylor37 min
Mar 26, 12:01 PM EDTRiver Flood WarningFFCFloyd38 hr
Mar 26, 12:28 PM EDTSpecial Weather StatementFFCBibb, Bleckley, Houston, Macon, Peach, Twiggs and 1 more47 min
Mar 26, 1:14 PM EDTSpecial Weather StatementFFCBleckley, Houston, Twiggs, Wilkinson31 min
Mar 26, 1:40 PM EDTSpecial Weather StatementFFCGreene, Taliaferro35 min
Mar 26, 2:17 PM EDTSpecial Weather StatementFFCGreene, Taliaferro, Wilkes43 min
Mar 26, 2:40 PM EDTSevere Thunderstorm WarningFFCWilkes21 min
Mar 26, 4:31 PM EDTRiver Flood WarningFFCDawson, Forsyth14 hr

Nearby

Flash Flood Warnings in Georgia, 2021Every flash flood warning in 2021

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.